Use Perl5FilenameFilter
or GlobFilenameFilter
from Jakarta ORO to select all files matching an
expression. Both of these classes implement the FileFilter
and FilenameFilter
interface, and both can be
passed to the listFiles( )
method on
a File
object. The following example
uses GlobFilenameFilter
to list XML
files in the ./dataDir
directory:
import org.apache.oro.io.GlobFilenameFilter; File dataDir = new File("./dataDir"); FilenameFilter xmlFilter = new GlobFilenameFilter( "*.xml" ); File[] xmlFiles = dataDir.listFiles( xmlFilter );
To find all files matching a Perl regular expression, use the
Perl5FilenameFilter
. The following
example returns files starting with "dev" and ending with ".tld" by
passing a regular expression to the constructor of Perl5FilenameFilter
:
File dataDir = new File("./dataDir"); FilenameFilter regexFilter = new Perl5FilenameFilter( "^dev.*.tld$" ); File[] tldFiles = dataDir.listFiles( regexFilter );